基本释义:

砾石部分

网络释义

1)gravel fraction,砾石部分

2)deep gravel,深部砾石

3)pebble content,砾石成分

4)composition of gravel,砾石组分

5)Gravel distribution,砾石分布

6)classification of sandstone and pebble,砂砾石分类

用法和例句

In the light of modern stratigraphic theories, the authors discuss the stratigraphic classification and tectonic evolution of Xinjiang basin,a Cretaceous terrestrial basin of Xinjiang River, Jiangxi Province,basing on the comprehensive information from the cyclicities of pebble contents, geochemical variations of elements in the sediments, and activities of magmas.

以现代地层学理论为指导,应用砾石成分的旋回变化、沉积物地球化学元素变化和岩浆活动类型变化的综合信息,论述了江西信江白垩纪陆相盆地的地层划分和中生代晚期的构造演化。